Article 5. Processing And Preserving Of Fish Taken Under Sport Fishing License of California Fish And Game Code >> Division 6. >> Part 2. >> Chapter 1. >> Article 5.

(a) Subject to Section 7121, fish lawfully taken under a sport fishing license may be canned or smoked by a fish cannery or processor as a service for a licensed sport fisherman.
  (b) Any cannery or packing plant in which fish that have been taken under a sport fishing license are canned, shall emboss or imprint on the top of each can the words "not to be sold" in letters of such size as to be clearly legible, and the embossment or imprint shall remain affixed to the can.
  (c) Any cannery or packing plant in which fish that have been taken under a sport fishing license are smoked shall permanently imprint on each package the words "not to be sold" in letters of such size as to be clearly legible, and the imprint shall remain visible on the package.
  (d) Fish canned or smoked under this section shall not be sold, purchased, or offered for sale.

Notwithstanding Section 7121 any offal from a fish taken under a sport fishing license which is delivered by the license holder to a fish canner or fish processor may be processed, used, or sold by that fish canner or fish processor. Nothing in this section authorizes a holder of a sport fishing license to sell, or a fish canner or fish processor to purchase from a holder of a sport fishing license, any fish, or any portion thereof, taken under a sport fishing license.